<template>
  <div class="icon-body">
    <el-input v-model="name" style="position: relative;" clearable placeholder="请输入图标名称" @clear="filterIcons" v-on:input="filterIcons">
      <template #suffix>
        <i class="el-icon-search el-input__icon"></i>
      </template>
    </el-input>
    <div class="icon-list">
      <div v-for="(item, index) in iconList" :key="index" @click="selectedIcon(item)">
        <svg-icon :icon-class="item" style="height: 30px;width: 16px;" />
        <span>{{ item }}</span>
      </div>
    </div>
  </div>
</template>
<script lang="ts">
import icons from './requireIcons'
import { reactive, toRefs, defineComponent } from 'vue'

interface DataType {
  name: string;
  iconList: Array<string>;
}
export default defineComponent({
  name: 'IconSelect',
  emits: ['selected'], // this line
  setup(_, context) {
    const data = reactive<DataType>({
      name: '',
      iconList: icons
    })
    const filterIcons = () => {
      data.iconList = icons
      if (data.name) {
        data.iconList = data.iconList.filter((item: string) => item.includes(data.name))
      }
    }
    const selectedIcon = (name: string) => {
      context.emit('selected', name)
      document.body.click()
    }
    const reset = () => {
      data.name = ''
      data.iconList = icons
    }
    return {
      ...toRefs(data),
      filterIcons,
      selectedIcon,
      reset
    }
  }
})
</script>

<style lang="scss" scoped>
.icon-body {
  width: 100%;
  padding: 10px;
  .icon-list {
    height: 200px;
    overflow-y: scroll;
    div {
      height: 30px;
      line-height: 30px;
      margin-bottom: -5px;
      cursor: pointer;
      width: 33%;
      float: left;
    }
    span {
      display: inline-block;
      vertical-align: -0.15em;
      fill: currentColor;
      overflow: hidden;
    }
  }
}
</style>
